Psammophylax rhombeatus: Population traits

at T = 26.5 °C with background hazards for embryo, juv, adult: 0, 0, 0 1/d

Ln survival probability as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
Ln survivor function of the stable age distribution as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
model std f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.244603 0.324096 0.662048 0.662048 1 1 scaled functional response
r 1/d 0 0 0.0026005 0.000569556 0.00409693 0.000876828 spec pop growth rate
t2 d NaN NaN 266.544 1217 169.187 790.517 population doubling time
a_b d 59.797 57.0714 50.6853 50.6853 47.4514 47.4514 age at birth
t_p d 3470.98 2014.68 759.982 759.982 502.591 502.591 time since birth at puberty
S_b - 0.999972 0.999976 0.999982 0.999982 0.999985 0.999985 survival probability at birth
S_p - 0.999821 0.807736 0.9999 0.655513 0.999921 0.570847 survival probability at puberty
theta_0b - 0.0175184 0.0700589 0.123958 0.20009 0.176811 0.275516 frac of ind that is embryo
theta_bp - 0.0175525 0.0629997 0.108751 0.157428 0.145671 0.199816 fraction of individuals that is juvenile
theta_pi - 0.964929 0.866941 0.76729 0.642482 0.677517 0.524667 frac of ind that is adult
L_bi cm 2.23552 2.50625 2.81775 2.8865 2.92286 2.96445 mean structural length of post-natals
L2_bi cm^2 5.12214 6.80525 9.3655 10.8002 10.5265 12.5986 mean squared structural length of post-natals
L3_bi cm^3 11.9545 19.5555 35.6924 49.2235 45.4649 72.0742 mean cubed structural length of post-natals
Ww_bi g 13.3078 22.4887 46.6285 64.3056 66.5063 105.431 mean wet weight of post-natals
L_pi cm 2.25334 2.59533 3.02387 3.26156 3.24622 3.55818 mean structural length of adults
L2_pi cm^2 5.18659 7.18053 10.4284 12.9944 12.3541 16.6395 mean squared structural length of adults
L3_pi cm^3 12.1359 20.8236 40.388 60.6672 54.614 98.445 mean cubed structural length of adults
Ww_pi g 13.5097 23.947 52.7628 79.2556 79.8897 144.006 mean wet weight of adults
R 1/d 0.0017175 0.00304644 0.0075568 0.00965335 0.0113613 0.0160133 mean reproduction rate of adults
J_X g/d 0.0804342 0.141594 0.39806 0.459037 0.675789 0.808818 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0.233176 0.0610748 0.275628 0.0781346 yield of living structure on food
Y_VX_d mol/mol 0.0580012 0.102432 0.00344831 0.129376 0.00133339 0.145137 yield of dead structure on food
Y_EX mol/mol 0 0 0.071445 0.0187133 0.127562 0.0361611 yield of living reserve on food
Y_EX_d mol/mol 0.00656594 0.0153641 0.00105656 0.0396408 0.0006171 0.0671699 yield of dead reserve on food
Y_CX mol/mol 0.671172 0.627923 0.472468 0.521479 0.394456 0.458269 yield of CO2 on food
Y_HX mol/mol 0.713622 0.667638 0.50235 0.554461 0.419404 0.487253 yield of H2O on food
Y_OX mol/mol -0.851872 -0.796979 -0.599671 -0.661877 -0.500656 -0.581649 yield of O2 on food
Y_NX mol/mol 0.154886 0.144905 0.109031 0.120341 0.0910283 0.105754 yield of N-waste on food
mu_TX J/mol 432330 405762 308991 339307 259078 298872 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer